<template>
  <div class="father">
    <h3>父组件</h3>
    <h4>汽车：{{ car }}</h4>
    <h4 v-show="toy">子给的玩具：{{ toy }}</h4>
    <Child :car="car" :sendToy="getToy" />
  </div>
</template>

<script setup lang="ts" name="Father">
  import Child from "./Child.vue";
  import { ref } from 'vue'

  // 数据
  let car = ref('保时捷')
  let toy = ref('')

  // 方法
  function getToy (value: string) {
    console.log(`触发方法->`, value)
    toy.value = value
  }
</script>

<style scoped>
  .father {
    background-color: rgb(165, 164, 164);
    padding: 20px;
    border-radius: 10px;
  }
</style>